102133081 has 2 divisors, whose sum is σ = 102133082. Its totient is φ = 102133080.

The previous prime is 102133079. The next prime is 102133111. The reversal of 102133081 is 180331201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70829056 + 31304025 = 8416^2 + 5595^2 .

It is a cyclic number.

It is not a de Polignac number, because 102133081 - 2¹ = 102133079 is a prime.

It is a super-2 number, since 2×102133081² = 20862332469105122, which contains 22 as substring.

Together with 102133079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102143081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51066540 + 51066541.

It is an arithmetic number, because the mean of its divisors is an integer number (51066541).

Almost surely, 2^102133081 is an apocalyptic number.

It is an amenable number.

102133081 is a deficient number, since it is larger than the sum of its proper divisors (1).

102133081 is an equidigital number, since it uses as much as digits as its factorization.

102133081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 102133081 is about 10106.0912819942. The cubic root of 102133081 is about 467.4359865454.

Adding to 102133081 its reverse (180331201), we get a palindrome (282464282).

The spelling of 102133081 in words is "one hundred two million, one hundred thirty-three thousand, eighty-one".